first version finished

django/utils/deprecation.pyi

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+from django.core.handlers.wsgi import WSGIRequest
+from django.http.response import HttpResponseBase
+from typing import (
+    Callable,
+    Optional,
+    Type,
+)
+
+
+class MiddlewareMixin:
+    def __call__(self, request: WSGIRequest) -> HttpResponseBase: ...
+    def __init__(self, get_response: Optional[Callable] = ...) -> None: ...
+
+
+class warn_about_renamed_method:
+    def __call__(self, f: Callable) -> Callable: ...
+    def __init__(
+        self,
+        class_name: str,
+        old_method_name: str,
+        new_method_name: str,
+        deprecation_warning: Type[DeprecationWarning]
+    ) -> None: ...